When you run **multiple processes** of the same API program, they are commonly called **workers**.

### Worker Processes and Ports

Remember from the docs [About HTTPS](https.md){.internal-link target=_blank} that only one process can be listening on one combination of port and IP address in a server?

This is still true.

	}
	if meta.Format != formatBackendErasure && meta.Format != formatBackendErasureSingle {
		return "", fmt.Errorf(`found backend type %s, expected %s or %s - to migrate to a supported backend visit https://min.io/docs/minio/linux/operations/install-deploy-manage/migrate-fs-gateway.html`, meta.Format, formatBackendErasure, formatBackendErasureSingle)
	}
	// Erasure backend found, proceed to detect version.
	format := &formatErasureVersionDetect{}

  optional string kind = 1;

  // name is the name of the referent; More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
  optional string name = 2;

  // apiVersion is the API version of the referent
  // +optional
  optional string apiVersion = 3;
}

  // Kind of the referent; More info: https://git.k8s.io/community/contributors/devel/sig-architecture/api-conventions.md#types-kinds
  optional string kind = 1;

  // Name of the referent; More info: https://kubernetes.io/docs/concepts/overview/working-with-objects/names/#names
  optional string name = 2;

  // API version of the referent
  // +optional
  optional string apiVersion = 3;
}

	if s3Error := checkRequestAuthType(ctx, r, policy.GetObjectAction, bucket, object); s3Error != ErrNone {
		if getRequestAuthType(r) == authTypeAnonymous {
			// As per "Permission" section in
			// https://docs.aws.amazon.com/AmazonS3/latest/API/RESTObjectGET.html
			// If the object you request does not exist,
			// the error Amazon S3 returns depends on
			// whether you also have the s3:ListBucket
			// permission.

///

## Використовується **FastAPI**

### <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a>

Pydantic — це бібліотека для визначення перевірки даних, серіалізації та документації (за допомогою схеми JSON) на основі підказок типу Python.

For example:

* <a href="https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment" class="external-link" target="_blank">VS Code</a>
* <a href="https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html" class="external-link" target="_blank">PyCharm</a>

👤 🤔 **FastAPI** "🛐 👨‍💼" APIStar, ⏪ 📉 & 📈 ⚒, ⌨ ⚙️, & 🎏 🍕, ⚓️ 🔛 🏫 ⚪️➡️ 🌐 👉 ⏮️ 🧰.

///

## ⚙️ **FastAPI**

### <a href="https://docs.pydantic.dev/" class="external-link" target="_blank">Pydantic</a>

Pydantic 🗃 🔬 💽 🔬, 🛠️ &amp; 🧾 (⚙️ 🎻 🔗) ⚓️ 🔛 🐍 🆎 🔑.

👈 ⚒ ⚫️ 📶 🏋️.

   * That statement compiles only if {@link FluentIterable#concat concat(aIterable, bIterable)}
   * returns a {@link FluentIterable} of elements of an anonymous type whose supertypes are the <a
   * href="https://docs.oracle.com/javase/specs/jls/se7/html/jls-4.html#jls-4.9">intersection</a> of
   * the supertypes of {@code A} and the supertypes of {@code B}.
   */
  public void testConcatIntersectionType() {

[kotlin_1_7_10]: https://github.com/JetBrains/kotlin/releases/tag/v1.7.10
[kotlin_1_9_21]: https://github.com/JetBrains/kotlin/releases/tag/v1.9.21
[kotlin_1_9_23]: https://github.com/JetBrains/kotlin/releases/tag/v1.9.23
[loom]: https://docs.oracle.com/en/java/javase/21/core/virtual-threads.html
[okio_2_9_0]: https://square.github.io/okio/changelog/#version-290
[okio_3_0_0]: https://square.github.io/okio/changelog/#version-300